Floods are one of the most common hazards in the United States.More >>

Floods are one of the most common hazards in the United States. Flood effects can be local, impacting a neighborhood or community, or very large, affecting entire river basins and multiple states.More >>

In Webster County, winds collapsed a warehouse building along Highway 520. In Stewart County, even more destruction to a group of houses right on a chicken farm, one house completely gone, and neighbors made their way out there to clear the debris before emergency crews could arrive.

In Webster County, winds collapsed a warehouse building along Highway 520. In Stewart County, even more destruction to a group of houses right on a chicken farm, one house completely gone, and neighbors made their way out there to clear the debris before emergency crews could arrive.

(RNN) - The weather system that has taken days to slowly march across the U.S. is weakening but still causing problems.

It brought severe storms, including multiple tornadoes that killed more than 30 people, and severe flooding in south Alabama and the Florida Panhandle.

One drowning death has been reported in Cantonment, FL, an Escambia County, FL Sheriff's office spokesman told The Pensacola News JournalTuesday night.

Flash flood emergencies were declared early Wednesday morning for Mobile and Baldwin counties in Alabama, as well as Escambia, Santa Rosa and Okaloosa counties in Florida.

In addition to the relentless deluge, tornadoes were still a threat
overnight. Tornado warnings were declared early Wednesday morning in south Walton and Jackson counties in FL, Houston County in AL, and Seminole and Miller counties in GA.

Severe flooding has taken over streets and neighborhoods of Mobile, AL and Pensacola, FL, including the downtown areas of both cities, as a strong storm cell dumped more than 12 inches of rain on the area.

The Pensacola News Journal reported via Twitter early Wednesday morning that several downtown buildings had flooded, including the Pensacola News Journal building.

Stranded cars on roads have been reported in Pensacola and elsewhere Santa Rosa County, FL Tuesday night, and many sections of U.S. Highway 90 are impassable, according to the NWS Mobile.

The slow-moving storms are dumping water on areas already saturated from days of rain, prompting flooding warnings, which includes much of the South.

Portions of Interstate 10 in Florida were closed both eastbound and westbound because of flooding from the Florida state line to Escambia County, FL, according to Baldwin County, AL EMA via Twitter. Drivers were reported to be stuck on the interstate.

Baldwin County EMA is urging residents to stay off the roads during these dangerous conditions.

Escambia County Emergency Management Agency declared a 24-hour flood emergency Tuesday night and a state of emergency after midnight Wednesday morning. They urged residents to stay off the roads.

Most of the state of Alabama is under flash flood warnings through early Wednesday. More than 12 inches of rain have fallen on Mobile, AL, and Pensacola, FL, with flood warnings stretching up to Washington, DC.

The Pensacola News Journal also reported that a sinkhole opened up in Mobile, AL, swallowing a truck.

Severe thunderstorms along with hail are also hitting Michigan.

Parts of central North Carolina has been placed under a tornado watch until 11 p.m. ET Tuesday. Flash flood warnings will also be in effect for the area through Wednesday, according to WNCN.

A tornado was confirmed near Salemburg, NC, and was tracked going northeast at 20 mph. Two unconfirmed funnel clouds were spotted in Sampson County, NC. It was one of five confirmed tornadoes North Carolina reported Tuesday.

Areas of southern Mississippi, southern and central Alabama and central North Carolina are under flash flood warnings until early Wednesday.

As many as 40 tornadoes have been confirmed by the NWS Storm Prediction Center since Sunday in the Midwest and South, according to the Associated Press. Twenty-five of those confirmed tornadoes came on Monday.

At least 18 people died as a result of the storms from Monday through late Tuesday, with two in Tennessee, three in Alabama, 12 in Mississippi and one in Florida. That number could rise as the search of affected continues in Mississippi and Alabama.

In all, 36 people lost their lives due to severe weather in the Midwest and Deep South through Tuesday night.

The University of Alabama identified a man killed in Tuscaloosa as John Servati, a student and member of the swim team originally from Tupelo, MS.

A combination of warm, humid air from the Gulf of Mexico is being pulled up by the jet stream in front of a slow moving low-pressure system that is bringing cool air behind it. This combination is keeps the atmosphere unstable.

Because the pressure system is moving so slowly, the storms can redevelop as severe thunderstorms, even tornadoes, and cause flooding issues in many areas.

A total of 16 counties were impacted in Mississippi on Monday, and nine of the deaths occurred in Winston County due to an EF-4 tornado, according to the Associated Press.

The City of Tupelo, MS has instated a curfew of 8 p.m. CT for its residents, as warnings of gas leaks and down power lines make the devastated area difficult to navigate for search and rescue clues.

Alabama Power tweeted that more than 8,600 people remained without power late Tuesday as damage was reported throughout the state.

According to the Associated Press, Limestone County Commissioner Bill Latimer said four people were killed in his district southeast of Athens, but there has been no further confirmation by emergency officials. Preliminary reports indicate a possible EF-3 tornado came through the northern Alabama county Monday.

The two killed in the Limestone County trailer park were a mother and son. There names have not been released.

A tornado touched down late Monday night in the Birmingham, AL, metro area near a hospital, destroying a nearby apartment complex in Bessemer and a fire department as an EF-1 tornado hit Kimberly, AL.

No major injuries were reported in the Birmingham area, but about 100 residents in an apartment complex had to be evacuated in Bessemer, according to WBRC. Two different tornadoes - an EF-1 tornado with winds up to 100 mph and an EF-2 tornado - were determined to have touched down in northern and central Jefferson County, AL, on Monday night, according to WBRC.

The National Weather Service in Mobile tweeted their radar is down due to "a direct lightning strike" it took Tuesday.

"We believe it may be a few days before it returns to service," NWS Mobile tweeted.

FEMA said Tuesday it's closely monitoring the next round of weather Tuesday, and President Barack Obama has declared a major disaster for the state of Arkansas. Faulkner County, AR, was the most devastated area in Sunday's storms.

A major flare-up on the western edge of Southern California's largest and most destructive wildfire has sent residents fleeing as flames churned through canyons and down hillsides toward coastal towns.More >>

A major flare-up on the western edge of Southern California's largest and most destructive wildfire has sent residents fleeing as flames churned through canyons and down hillsides toward coastal towns.More >>